Marital examination, or premarital physical examination, refers to the routine physical examination and fertility check-up for both men and women before marriage, so as to detect and treat diseases in time and guarantee the quality of life after marriage. For both men and women, premarital physical examination has great significance. The main contents of premarital physical examination include general body examination, genital examination and auxiliary examination. 1. Full body examination: mainly routine full body examination, including checking whether there is any abnormality in the heart, lungs, liver, kidneys and other important organs, and understanding the development of the body. This kind of examination is important for marriage and childbearing. 2. Genital examination: For women, it is mainly to check whether the hymen exists or is atretic, whether the uterus is fully developed, and whether there are any undesirable uterine diseases, such as fibroids. For men, it is mainly to check the physiological structure of the penis as well as the functional diseases, such as whether there is the presence of the prepuce, penile shortening and genitourinary system diseases in men. 3. Auxiliary examination: such as routine blood test, routine urine test, hepatitis B surface antigen, syphilis screening and other items, which help the doctor to determine whether the man and woman have common infectious diseases or sexually transmitted diseases. During the marriage examination, the doctor will give relevant advice according to the health status and physiological conditions of both men and women, and help to formulate a birth plan, so as to lay the foundation for improving the quality of life and fertility after marriage.